import * as React from 'react';
import type { _IPerfItem } from '@msinternal/sp-telemetry';
export interface IPerformanceGraphProps {
    /**
     * Performance data items to be shown on the graph
     */
    perfItems: _IPerfItem[];
    /**
     * Integer value representing the time in ms that the page started loading
     */
    startTime: number;
    /**
     * Integer value representing how long the page took to load overall. Used for calculations
     */
    overallDuration: number;
}
export default class PerformanceGraph extends React.Component<IPerformanceGraphProps, {}> {
    private _scale;
    constructor(props: IPerformanceGraphProps);
    render(): React.ReactElement<IPerformanceGraphProps>;
}
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